79243880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 185345280

約数和(自身を除く): 106101400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 691, 940, 1220, 1382, 1880, 2440, 2764, 2867, 3455, 5528, 5734, 6910, 11468, 13820, 14335, 22936, 27640, 28670, 32477, 42151, 57340, 64954, 84302, 114680, 129908, 162385, 168604, 210755, 259816, 324770, 337208, 421510, 649540, 843020, 1299080, 1686040, 1981097, 3962194, 7924388, 9905485, 15848776, 19810970, 39621940, 79243880]

約数ペア:

[(1, 79243880), (2, 39621940), (4, 19810970), (5, 15848776), (8, 9905485), (10, 7924388), (20, 3962194), (40, 1981097), (47, 1686040), (61, 1299080), (94, 843020), (122, 649540), (188, 421510), (235, 337208), (244, 324770), (305, 259816), (376, 210755), (470, 168604), (488, 162385), (610, 129908), (691, 114680), (940, 84302), (1220, 64954), (1382, 57340), (1880, 42151), (2440, 32477), (2764, 28670), (2867, 27640), (3455, 22936), (5528, 14335), (5734, 13820), (6910, 11468)]